<template>

  <div class="app-container" >
    
<!--顶部 Header区域-->
    <mt-header fixed title="美淘淘">
            <span slot="left" @click="goBack" v-show="flag">
        <mt-button icon="back">返回</mt-button>
      </span>
    </mt-header>
<!--中间的路由组件router-view区域-->
<transition>
 <router-view></router-view>
</transition>
   
<!--底部 Tabber区域-->
<nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-y" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-y" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">我的</span>
			</router-link>
			<router-link class="mui-tab-item-y" to="/cart">
		<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span>
				</span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>


  </div>
</template>

<script>
export default{
data() {
    return {
      flag: false
    };
  },
  created() {
    this.flag = this.$route.path === "/home" ? false : true;
  },
  methods: {
    goBack() {
      // 点击后退
      this.$router.go(-1);
    }
  },
  watch: {
    "$route.path": function(newVal) {
      if (newVal === "/home") {
        this.flag = false;
      } else {
        this.flag = true;
      }
    }
  }
}
</script>

<style lang="scss" scoped>
.mint-header{
  z-index: 99;
 
}
.app-container {
	padding-top: 40px;
	padding-bottom: 50px;
  overflow-x: hidden;
}

.v-enter {
  opacity: 0;
  transform: translateX(100%);
}

.v-leave-to {
  opacity: 0;
  transform: translateX(-100%);
  position: absolute;
}

.v-enter-active,
.v-leave-active {
  transition: all 0.5s ease;
}

// 改类名，解决 tabbar 点击无法切换的问题
.mui-bar-tab .mui-tab-item-y.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-y {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}

.mui-bar-tab .mui-tab-item-y .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-y .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

</style>
